420424242434 has 8 divisors (see below), whose sum is σ = 720727272768. Its totient is φ = 180181818180.

The previous prime is 420424242391. The next prime is 420424242449. The reversal of 420424242434 is 434242424024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 420424242394 and 420424242403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15015151502 + ... + 15015151529.

It is an arithmetic number, because the mean of its divisors is an integer number (90090909096).

Almost surely, 2^420424242434 is an apocalyptic number.

420424242434 is a deficient number, since it is larger than the sum of its proper divisors (300303030334).

420424242434 is a wasteful number, since it uses less digits than its factorization.

420424242434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30030303040.

The product of its (nonzero) digits is 196608, while the sum is 35.

Adding to 420424242434 its reverse (434242424024), we get a palindrome (854666666458).

The spelling of 420424242434 in words is "four hundred twenty billion, four hundred twenty-four million, two hundred forty-two thousand, four hundred thirty-four".